Cash App is primarily available in the United States and the United Kingdom. Users in these countries can access the full features of Cash App, including sending and receiving money, buying Bitcoin, and more. However, Cash App has not expanded its services to other countries as of October 2023. If you are interested in using Cash App, it is recommended to check the official Cash App website for the most current information regarding its availability in different regions. Additionally, the website may provide updates on future expansions. If you reside in a country where Cash App is not available, you may want to explore alternative payment services that operate in your region.